Re: [PATCH 1/2] dt-bindings: iio: adc: Add rtq6056 adc support

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On Sat, 18 Jun 2022 19:00:19 +0200
Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote:

> On 18/06/2022 08:50, ChiYuan Huang wrote:
> > Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> 於 2022年6月18日 週六 上午9:45寫道:  
> >>
> >> On 17/06/2022 02:32, cy_huang wrote:  
> >>> From: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
> >>>
> >>> Add the documentation for Richtek RTQ6056.
> >>>
> >>> Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
> >>> ---
> >>>  .../bindings/iio/adc/richtek,rtq6056-adc.yaml      | 57 ++++++++++++++++++++++
> >>>  1 file changed, 57 insertions(+)
> >>>  create mode 100644 Documentation/devicetree/bindings/iio/adc/richtek,rtq6056-adc.yaml
> >>>
> >>> diff --git a/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056-adc.yaml b/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056-adc.yaml
> >>> new file mode 100644
> >>> index 00000000..6b4e0e0
> >>> --- /dev/null
> >>> +++ b/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056-adc.yaml
> >>> @@ -0,0 +1,57 @@
> >>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> >>> +%YAML 1.2
> >>> +---
> >>> +$id: http://devicetree.org/schemas/iio/adc/richtek,rtq6056-adc.yaml#
> >>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> >>> +
> >>> +title: RTQ6056 Bi-Directional Current and Power Monitor with 16-bit ADC
> >>> +
> >>> +maintainers:
> >>> +  - ChiYuan Huang <cy_huang@xxxxxxxxxxx>
> >>> +
> >>> +description: |
> >>> +  The RTQ6056 is a high accuracy current-sense monitor with I2C and SMBus
> >>> +  interface, and the device provides full information for system by reading
> >>> +  out the loading current and power.
> >>> +
> >>> +  The device monitors both of the drops across sense resistor and the BUS
> >>> +  voltage, converts into the current in amperes, and power in watts through
> >>> +  internal analog-to-digital converter ADC. The programmable calibration,
> >>> +  adjustable conversion time, and averaging function are also built in for
> >>> +  more design flexibility.
> >>> +
> >>> +  Datasheet is available at
> >>> +  https://www.richtek.com/assets/product_file/RTQ6056/DSQ6056-00.pdf
> >>> +
> >>> +properties:
> >>> +  compatible:
> >>> +    const: richtek,rtq6056
> >>> +
> >>> +  reg:
> >>> +    maxItems: 1
> >>> +
> >>> +  "#io-channel-cells":
> >>> +    const: 1
> >>> +
> >>> +  richtek,shunt-resistor-uohm:  
> >>
> >> Use standard properties, so "-micro-ohms". Drop the unit from
> >> description and drop the ref.
> >>  
> > Use richtek.shunt-resistor-micro-ohms?  
> 
> Yes.
> 
> > Or the prefix 'richtek,' can be removed?  
> 
> No, the vendor prefix must stay.

It's a standard generic binding used in a bunch of IIO and hwmon
drivers without vendor prefix.  Mind you I can't find a definition
in any of the top level binding files.  Probably wants to be in
adc.yaml for IIO.

Jonathan

 
> 
> Best regards,
> Krzysztof





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